<!-- 饼图 -->
<script setup lang="ts">
import * as echarts from 'echarts'

const props = defineProps({
  id: {
    type: String,
    default: 'pieChart',
  },
  className: {
    type: String,
    default: '',
  },
  width: {
    type: String,
    default: '200px',
    required: true,
  },
  height: {
    type: String,
    default: '200px',
    required: true,
  },
})
const options = {
  grid: {
    left: '2%',
    right: '2%',
    bottom: '10%',
    containLabel: true,
  },
  legend: {
    top: 'bottom',
    textStyle: {
      color: '#999',
    },
  },
  series: [
    {
      name: 'Nightingale Chart',
      type: 'pie',
      radius: [50, 130],
      center: ['50%', '50%'],
      roseType: 'area',
      itemStyle: {
        borderRadius: 1,
        color(params: any) {
          // 自定义颜色
          const colorList = ['#409EFF', '#67C23A', '#E6A23C', '#F56C6C']
          return colorList[params.dataIndex]
        },
      },
      data: [
        { value: 26, name: '家用电器' },
        { value: 27, name: '户外运动' },
        { value: 24, name: '汽车用品' },
        { value: 23, name: '手机数码' },
      ],
    },
  ],
}

const chart = ref<any>('')

onMounted(() => {
  chart.value = markRaw(
    echarts.init(document.getElementById(props.id) as HTMLDivElement),
  )

  chart.value.setOption(options)

  window.addEventListener('resize', () => {
    chart.value.resize()
  })
})

onActivated(() => {
  if (chart.value)
    chart.value.resize()
})
</script>

<template>
  <el-card>
    <template #header>
      产品分类饼图
    </template>
    <div :id="id" :class="className" :style="{ height, width }" />
  </el-card>
</template>
